/Engine/Source/Runtime/Engine/Public/Animation/AnimNotifyStateMachineInspectionLibrary.h
Get whether the Reference ContextData has the given machine index in a UAnimNotifyStateMachineContext. This function should not be exposed to blueprint
static bool IsStateMachineInEventContext ( const [FAnimNotifyEventReference](API\Runtime\Engine\Animation\FAnimNotifyEventReference) & Reference, int32 StateMachineIndex )